Panasonic NN-CS599S - Oven Stops During Cooking Troubleshooting

9.1. (Troubleshooting) Oven stops operation during cooking
SYMPTOM CAUSE CORRECTIONS
1. Oven stops in 3 seconds after
pressing start pad.
No input AC is supplied to H.V.Inverter (U)
CN702 terminals
1. Latch Switch
2. Power relay RY1
3. Loose lead wire connector CN701, CN702
Oven stops in 23 seconds after
pressing start pad.
H.V.Inverter (U) operates by the control signals
from DPC but magnetron is not oscillating
1. Magnetron
2. Loose lead wire connector CN703
Oven stops in 1 minute after
pressing start pad.
(Convection/Grill convection
cooking)
Oven thermistor circuit is not functioning. 1. Oven thermistor
2. Loose wiring
Oven stops in 30 seconds after
pressing start pad. (Steam cooking)
Steam heater thermistor circuit is not
functioning.
1. Steam heater thermistor
2. Loose wiring
3. bad conductibility between thermistor and steam
heater
2. No display and no operation at all.
Fuse is blown.
Most probably loose connection of connectors,
or door latch mechanism is not adjusted properly
1. Align door, Door Latch Switches
2. Loose wiring connectors
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NN-CS599S